2003-2006 KTM LC8 Motorcycle Series Workshop Manual
Detailed workshop manual for the 950/990 Adventure, 990 Super Duke, 950 Supermoto, and 950 Super Enduro. Includes technical specifications and diagrams.
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Sample pages from the 2003-2006 KTM LC8 Motorcycle Series Workshop Manual manual
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KTM Models Covered & Key Technical Specifications
Models: KTM LC8 Motorcycle Series (950 Adventure, 990 Adventure, 990 Super Duke, 950 Supermoto, 950 Super Enduro)
Sub-models / Variants: Adventure S, 950/990 injection and carburetor engine models
Build Years: 2003–2006
Serial Numbers: Engine numbers starting with digits 4, 5, and 6
Technical Data:
- Engine displacement: 942 cc to 999 cc
- Valve clearance (at 20°C): intake 0.10–0.15 mm, exhaust 0.25–0.30 mm
- Main bearing radial clearance setpoint: 0.025–0.055 mm
- Piston mounting clearance (950): 0.04–0.06 mm
- Piston mounting clearance (990): 0.05–0.07 mm
- Oil pressure (operating temperature): min 0.8 bar at 1500 rpm; 2.4–3.5 bar at 6000 rpm
- Clutch spring minimum length: 29.0 mm
- Valve spring length (inner): 37.0–38.0 mm
- Cooling system pressure (max): 1.4 bar
KTM Manual Features & Content Preview
Technical Scope and Coverage for the 2003–2006 KTM LC8
- Built for owners and professional workshops servicing the 2003–2006 KTM LC8 motorcycle series including 950/990 Adventure, 990 Super Duke, 950 Supermoto, and 950 Super Enduro
- Official KTM publication Art.-No. 3.206.035-E, revision dated 01/2006
- Contains 394 pages of mechanical specifications, wiring diagrams, and engine assembly procedures
- File delivers the moment payment clears — no shipping wait
- Indexed PDF search covers every chapter and appendix
- Full-text search finds any part number in seconds
- This 394-page update is the final revision in the 2003–2006 series, incorporating ABS, fuel injection, and technical updates for the 950 Supermoto and 990 Super Duke builds
Mechanical Systems and Assembly Data
This 2003–2006 KTM LC8 workshop manual provides structured technical data for the maintenance of the liquid-cooled V-twin engine and its associated chassis components. Documented chapters include comprehensive information on engine disassembly, including valve cover removal, camshaft timing at Top Dead Center, and transmission shaft assembly. Technical sections detail oil system routing, cooling circuit specifications, and the secondary air system function for both carbureted and fuel-injected variants.
Specification Previews and Identification
The 2003–2006 KTM LC8 documentation contains detailed tolerance charts, including radial clearance setpoints for main and conrod bearings, as well as wear limits for piston rings and valve guides. Cylinder head bolt torque values are documented in a multi-stage sequence, ensuring proper sealing during engine assembly. The 2003–2006 KTM LC8 manual includes reference values for cooling system pressure, oil pressure, and specific electrical sensor thresholds for the injection control unit. Valve clearance for the intake is listed at 0.10–0.15 mm in the cylinder head specification table. Setpoint value for the radial clearance of the main bearing is 0.025–0.055 mm. Piston mounting clearance for the 990 variant is 0.05–0.07 mm per the technical specification section.
Note: This page is a contents overview for the manual. It does not provide repair or diagnostic instructions. An official 394-page KTM OEM workshop manual covering the 2003–2006 KTM LC8 motorcycle series, documenting engine, chassis, and electronic fuel injection systems for the 950 and 990 series engines.
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